LG HU70LAB.AUS Owner's Manual page 162

110
I cannot turn the projector on with the remote control.
•
Please make sure your projector power plug is correctly connected to the outlet.
• Replace the batteries in the remote control. (Use alkaline batteries.)
•
Check whether there are any obstacles in front of the projector's remote control
sensor. Sound bars or other obstacles placed in front of the projector's lower
receiver may obstruct IR signal reception.